25 Foot Waterwise Drip / Soaker Hose - Drip Irrigation Drip tape made from a light weight polyethylene that is easy to handle and move around Drip tape made in the USA and contains carbon black which acts as a shield from the sun so that your drip hose can last for years Built in pressure regulator ensures even watering throughout the entire system and also prevents bursting We recommend watering between 3-8 hours to get a thorough and deep soaking, but this isn't mandatory The professional (and most effective) way to water - slowly drips water so that it soaks in, reducing water loss by runoff and evaporation